2798105 has 8 divisors (see below), whose sum is σ = 3366792. Its totient is φ = 2232448.

The previous prime is 2798099. The next prime is 2798113. The reversal of 2798105 is 5018972.

It can be written as a sum of positive squares in 4 ways, for example, as 499849 + 2298256 = 707^2 + 1516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2798105 - 2⁸ = 2797849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (420849).

2^2798105 is an apocalyptic number.

It is an amenable number.

2798105 is a deficient number, since it is larger than the sum of its proper divisors (568687).

2798105 is an equidigital number, since it uses as much as digits as its factorization.

2798105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2798105 is about 1672.7537176763. The cubic root of 2798105 is about 140.9141707247.

The spelling of 2798105 in words is "two million, seven hundred ninety-eight thousand, one hundred five".